@misc{indiciae0dfd8dd82341,
  title = {Pulmonary changes during marathon training: a longitudinal study.},
  author = {D A Kaufmann and E W Swenson},
  year = {1981},
  doi = {10.1159/000194385},
  url = {https://pubmed.ncbi.nlm.nih.gov/6795707/},
  note = {Source identifier: 6795707}
}